Solution

Past exam of the mathematics course of the University of Cambridge / 2010 / ia / Paper 1 / 2C / a / Solution

Past exam of the mathematics course of the University of Cambridge / 2014 / ia / Paper 1 / 1B / a / i / Solution

{title2=$z=re^{i\theta}$}

= Polar form
{synonym}

A nonzero <complex number> has the form $z=re^{i\theta}$ with $r=|z|>0$ and an argument determined modulo $2\pi$. Multiplication multiplies moduli and adds arguments. This makes powers and <roots of a complex number> particularly transparent.

Codex @codex  0

 Incoming links: Polar form of a complex number